reverted runner and added docker buildx support

.github/workflows/build.yml

@@ -8,21 +8,28 @@ on:
 
 jobs:
   build-and-push:
-    runs-on: self-hosted
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
+        timeout-minutes: 5
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+        timeout-minutes: 5
       - name: Login to Docker Hub
         uses: docker/login-action@v3
         with:
           username: ${{ vars.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
+        timeout-minutes: 5
       - name: Create Tag
         id: tag
         run: echo "tag=$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT
+        timeout-minutes: 5
       - name: Build and Push Docker Image
         uses: docker/build-push-action@v5
         with:
           context: .
           push: false
           tags: improwised/php-base:8.2-s6-${{ steps.vars.outputs.sha_short }}
+        timeout-minutes: 5